CN114665649B - Waterproof dustproof external rotor motor - Google Patents
Waterproof dustproof external rotor motor Download PDFInfo
- Publication number
- CN114665649B CN114665649B CN202210501880.5A CN202210501880A CN114665649B CN 114665649 B CN114665649 B CN 114665649B CN 202210501880 A CN202210501880 A CN 202210501880A CN 114665649 B CN114665649 B CN 114665649B
- Authority
- CN
- China
- Prior art keywords
- end cover
- rotor
- small fan
- shaft
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 10
- 239000003595 mist Substances 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims 1
- 239000003517 fume Substances 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 8
- 239000000443 aerosol Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a waterproof and dustproof outer rotor motor, which comprises a rotor, wherein an end cover is arranged at the top end of the rotor, a first sealing ring mounting groove is formed in one end of the end cover of the rotor, and a first sealing ring is arranged on the first sealing ring mounting groove; the top end of the end cover is provided with a plane small fan blade and a side small fan blade, and the plane small fan blade is positioned on the inner side of the side small fan blade; the rotor is provided with a shaft, the shaft penetrates through the end cover, and the shaft is connected with a bracket through threads. According to the invention, the outer rotor and the end cover rotate, and at the moment, the plane small fan blades and the side small fan blades on the end cover can generate wind power, so that internal pressure is generated to the air to press outwards, and oil smoke and dust are prevented from entering between the bracket and the end cover; the first sealing ring is arranged between the rotor and the end cover and matched with the protruding groove structure, so that the sealing performance of the rotor and the end cover is enhanced, and the waterproof, dustproof, anti-fog and anti-fume performance of the rotor and the end cover is enhanced.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a waterproof dustproof outer rotor motor.
Background
The existing fan assembly is generally composed of a motor, a motor support and an impeller, wherein the motor is fixedly installed on a shell through the motor support, the impeller is installed in the shell and is in transmission connection with the motor, and the motor drives the impeller to rotate.
The existing motor cannot prevent water and dust, so that fine particles such as oil smoke, water, dust and aerosol enter the motor, the motor is easy to damage, and great inconvenience is brought to a user.
Disclosure of Invention
The invention aims to provide a waterproof dustproof outer rotor motor, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the waterproof dustproof outer rotor motor comprises a rotor, wherein an end cover is arranged at the top end of the rotor, a first sealing ring mounting groove is formed in one end of the rotor, which is positioned at the end cover, and a first sealing ring is arranged on the first sealing ring mounting groove;
the top end of the end cover is provided with a plane small fan blade and a side small fan blade, and the plane small fan blade is positioned on the inner side of the side small fan blade;
The rotor is provided with a shaft, the shaft penetrates through the end cover, and the shaft is connected with a bracket through threads.
Preferably, the small planar fan blades and the small lateral fan blades are of a sheet structure, and the small planar fan blades and the small lateral fan blades are arranged in a staggered manner.
Preferably, the rotor is provided with annular protrusion at one end of the end cover, and the terminal is provided with annular groove matched with the annular protrusion.
Preferably, the rotor and the end cover are fixed by screws.
Preferably, a second sealing ring mounting groove is formed in the top end of the support, and a second sealing ring is mounted on the second sealing ring mounting groove.
Preferably, the shaft is provided with a through hole, a wire inlet hole communicated with the through hole is arranged in the rotor, and a clamp spring groove is arranged on the outer side of the shaft.
Preferably, the bracket is provided with a wire mounting groove.
Preferably, the shaft and the end cover are sealed through an oil seal structure.
Compared with the prior art, the invention has the beneficial effects that:
1. When the air conditioner is used, the outer rotor and the end cover rotate, and at the moment, the plane small fan blades and the side small fan blades on the end cover can generate wind power, so that internal pressure is generated to the outside pressure of air, and water, anti-aerosol, oil smoke and dust are prevented from entering between the bracket and the end cover;
2. the first sealing ring is arranged between the rotor and the end cover and matched with the first sealing ring by adopting a convex groove structure, so that the sealing performance of the rotor and the end cover is enhanced, and the waterproof and dustproof performance of the rotor and the end cover is enhanced;
3. The shaft and the end cover are sealed through the oil seal structure, the sealing performance of the shaft is enhanced by the oil seal structure, and the waterproof, dustproof, anti-aerosol and oil-smoke prevention performance of the shaft is enhanced;
4. When the anti-fog oil-smoke sealing device is used, the fan blades are arranged on the end cover, and the second sealing ring is arranged on the outer side of the bracket and can play a certain sealing role, so that the waterproof, dustproof, anti-fog and oil-smoke preventing performances of the anti-fog oil-smoke sealing device are enhanced;
5. The shaft is provided with a through hole, and a wire inlet hole communicated with the through hole is arranged in the rotor; the bracket is provided with a lead mounting groove; the rotor is not required to be additionally provided with holes for the lead to penetrate, so that the waterproof, dustproof, anti-aerosol and anti-fume performance of the rotor is enhanced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the outer rotor of the present invention;
FIG. 3 is a top view of the outer rotor of the present invention;
FIG. 4 is a bottom view of the outer rotor of the present invention;
FIG. 5 is a cross-sectional view of an end cap of the present invention;
FIG. 6 is a top view of the end cap of the present invention;
FIG. 7 is a bottom view of the end cap of the present invention;
FIG. 8 is a cross-sectional view of a stent of the present invention;
FIG. 9 is a top view of the bracket of the present invention;
FIG. 10 is a bottom view of the bracket of the present invention;
Fig. 11 is a schematic structural view of the shaft of the present invention.
In the figure: 1. a rotor; 2. a first seal ring; 3. an end cap; 4. a bracket; 5. a second seal ring; 6. a shaft; 11. a first seal ring mounting groove; 12. an annular protrusion; 31. plane small fan blades; 32. side small fan blades; 41. a second seal ring mounting groove; 42. a wire installation groove; 61. a wire inlet hole; 62. a through hole; 63. and a clamp spring groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1-11, in an embodiment of the present invention, a waterproof and dustproof external rotor motor includes a rotor 1, an end cover 3 is installed at the top end of the rotor 1, a first seal ring installation groove 11 is provided at one end of the rotor 1 located at the end cover 3, and a first seal ring 2 is installed on the first seal ring installation groove 11; the top end of the end cover 3 is provided with a plane small fan blade and a side small fan blade 32, and the plane small fan blade 31 is positioned on the inner side of the side small fan blade 32; a shaft 6 is arranged on the rotor 1, the shaft 6 penetrates through the end cover 3, and the shaft 6 is connected with a bracket 4 through threads; the plane small fan blades 31 and the side small fan blades 32 are of sheet structures, and the plane small fan blades 31 and the side small fan blades 32 are arranged in a staggered manner; an annular bulge 12 is arranged at one end of the rotor 1, which is positioned on the end cover 3, and an annular groove matched with the annular bulge 12 is arranged on the terminal; the rotor 1 and the end cover 3 are fixed through screws; a second sealing ring mounting groove 41 is formed in the top end of the support 4, and a second sealing ring 5 is mounted on the second sealing ring mounting groove 41; the shaft 6 is provided with a through hole 62, the shaft 6 is positioned in the rotor 1 and provided with a wire inlet hole 61 communicated with the through hole 62, and the outer side of the shaft 6 is provided with a clamp spring groove 63, so that the position accuracy can be improved; the bracket 4 is provided with a wire mounting groove 42; the shaft 6 and the end cover 3 are sealed through an oil seal structure, and the shaft 6 and the bracket 4 are sealed through an oil seal structure; the outer rotor and the end cover 3 rotate, and at the moment, the plane small fan blades 31 and the side small fan blades 32 on the end cover 3 can generate wind power, so that internal pressure is generated to the air to press outwards, and oil smoke and dust are prevented from entering between the bracket 4 and the end cover 3; the first sealing ring 2 is arranged between the rotor 1 and the end cover 3 and is matched with the rotor by adopting a convex groove structure, so that the sealing performance of the rotor 1 and the end cover 3 is enhanced, and the waterproof and dustproof performance of the rotor is enhanced; the shaft 6 and the end cover 3 are sealed through an oil seal structure, the sealing performance of the shaft 6 is enhanced by the oil seal structure, and the water, dust and aerosol prevention and oil smoke prevention performance of the shaft are enhanced; when the novel waterproof dustproof anti-fog oil smoke prevention device is used, the fan blades are arranged on the support 4, and the second sealing ring 5 is arranged on the outer side of the support 4, so that the second sealing ring 5 can play a certain sealing role, and the waterproof, dustproof, anti-fog and oil smoke prevention performance of the novel waterproof dustproof anti-fog oil smoke prevention device is enhanced; the shaft 6 is provided with a through hole 62, and a wire inlet hole 61 communicated with the through hole 62 is arranged in the rotor 1 of the shaft 6; the bracket 4 is provided with a wire mounting groove 42; the rotor is not required to be additionally provided with a hole for the lead to penetrate, so that the waterproof and dustproof performances of the rotor are enhanced.
The working principle of the invention is as follows: when the air conditioner is used, the outer rotor and the end cover 3 rotate, and at the moment, the plane small fan blades 31 and the side small fan blades 32 on the end cover can generate wind power, so that internal pressure is generated to the outside pressure of air, and the air mist, the oil smoke and the dust are prevented from entering between the bracket 4 and the end cover 3;
The first sealing ring 2 is arranged between the rotor 1 and the end cover 3 and is matched with the rotor by adopting a convex groove structure, so that the sealing performance of the rotor 1 and the end cover 3 is enhanced, and the water, dust and gas mist preventing and oil smoke preventing performance of the rotor is enhanced;
The shaft 6 and the end cover 3 are sealed through an oil seal structure, the sealing performance of the shaft 6 is enhanced by the oil seal structure, and the water, dust and aerosol prevention and oil smoke prevention performance of the shaft are enhanced;
When the waterproof and dustproof fan is used, the fan blades are arranged on the end cover 3, and the second sealing ring 5 is arranged on the outer side of the support 4, so that the second sealing ring 5 can play a certain sealing role, and the waterproof and dustproof performance of the waterproof and dustproof fan is enhanced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides a waterproof dustproof external rotor motor, includes rotor (1), its characterized in that: an end cover (3) is arranged at the top end of the rotor (1), a first sealing ring mounting groove (11) is formed in one end of the rotor (1) positioned at the end cover (3), and a first sealing ring (2) is arranged on the first sealing ring mounting groove (11);
The top end of the end cover (3) is provided with a plane small fan blade (31) and a side small fan blade (32), the plane small fan blade (31) is positioned at the inner side of the side small fan blade (32), the heights of the plane small fan blade (31) and the side small fan blade (32) are staggered, and the plane small fan blade (31) and the side small fan blade (32) are staggered;
A shaft (6) is arranged on the rotor (1), the shaft (6) penetrates through the end cover (3), and the shaft (6) is connected with a bracket (4) through threads;
The plane small fan blades (31) and the side small fan blades (32) are of sheet structures;
An annular bulge (12) is arranged at one end of the end cover (3) of the rotor (1), and an annular groove matched with the annular bulge (12) is arranged on the end cover (3);
the rotor (1) and the end cover (3) are fixed through screws;
A second sealing ring mounting groove (41) is formed in the top end of the support (4), and a second sealing ring (5) is mounted on the second sealing ring mounting groove (41);
The shaft (6) is provided with a through hole (62), a wire inlet hole (61) communicated with the through hole (62) is formed in the rotor (1) by the shaft (6), and a clamp spring groove (63) is formed in the outer side of the shaft (6);
a wire mounting groove (42) is formed in the bracket (4);
the shaft (6) and the end cover (3) are sealed through an oil seal structure;
When the air-conditioning device is used, the rotor (1) and the end cover (3) rotate, and at the moment, the plane small fan blades (31) and the side small fan blades (32) on the end cover can generate wind power, so that internal pressure is generated to the outside pressure of air, and the air mist, the oil smoke and the dust are prevented from entering between the bracket (4) and the end cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501880.5A CN114665649B (en) | 2022-05-10 | 2022-05-10 | Waterproof dustproof external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501880.5A CN114665649B (en) | 2022-05-10 | 2022-05-10 | Waterproof dustproof external rotor motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114665649A CN114665649A (en) | 2022-06-24 |
| CN114665649B true CN114665649B (en) | 2024-09-13 |
Family
ID=82036540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210501880.5A Active CN114665649B (en) | 2022-05-10 | 2022-05-10 | Waterproof dustproof external rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114665649B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133685A (en) * | 2022-07-06 | 2022-09-30 | 广东肇庆德通有限公司 | Rechargeable driving device for platform fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405002A1 (en) * | 1989-06-30 | 1991-01-02 | Jakob, Karl, Dipl.-Ing.(FH) | Electric external rotor motor |
| CN207470461U (en) * | 2017-10-24 | 2018-06-08 | 青岛晟润泰电气制造有限公司 | A kind of waterproof ceiling fan |
| CN209233661U (en) * | 2018-12-17 | 2019-08-09 | 中山大洋电机股份有限公司 | A kind of external rotor electric machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842982A (en) * | 2012-09-14 | 2012-12-26 | 高乾进 | Motor of outer-rotor blower |
| JP2014075879A (en) * | 2012-10-03 | 2014-04-24 | Sim-Drive Co Ltd | Outer rotor in-wheel motor |
| CN203589886U (en) * | 2013-12-03 | 2014-05-07 | 杭州雪尔电器有限公司 | External rotor motor |
| CN206948083U (en) * | 2017-05-18 | 2018-01-30 | 上海施依洛风机有限公司 | Dual-axle motor |
| CN209402300U (en) * | 2019-02-20 | 2019-09-17 | 东莞市博瓦特动力科技有限公司 | A kind of external rotor electric machine with dustproof and waterproof function |
| CN214850731U (en) * | 2021-03-08 | 2021-11-23 | 湖北惠洋电器制造有限公司 | Take outer rotor electric machine of waterproof construction |
-
2022
- 2022-05-10 CN CN202210501880.5A patent/CN114665649B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405002A1 (en) * | 1989-06-30 | 1991-01-02 | Jakob, Karl, Dipl.-Ing.(FH) | Electric external rotor motor |
| CN207470461U (en) * | 2017-10-24 | 2018-06-08 | 青岛晟润泰电气制造有限公司 | A kind of waterproof ceiling fan |
| CN209233661U (en) * | 2018-12-17 | 2019-08-09 | 中山大洋电机股份有限公司 | A kind of external rotor electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114665649A (en) | 2022-06-24 |
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